/*      $NetBSD: chared.h,v 1.6 2001/01/10 07:45:41 jdolecek Exp $      */

/*-
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)chared.h    8.1 (Berkeley) 6/4/93
 */

/*
 * el.chared.h: Character editor interface
 */
#ifndef _h_el_chared
#define _h_el_chared

#include <ctype.h>
#include <string.h>

#include "histedit.h"

#define EL_MAXMACRO     10

/*
 * This is a issue of basic "vi" look-and-feel. Defining VI_MOVE works
 * like real vi: i.e. the transition from command<->insert modes moves
 * the cursor.
 *
 * On the other hand we really don't want to move the cursor, because
 * all the editing commands don't include the character under the cursor.
 * Probably the best fix is to make all the editing commands aware of
 * this fact.
 */
#define VI_MOVE


typedef struct c_macro_t {
        int       level;
        char    **macro;
        char     *nline;
} c_macro_t;

/*
 * Undo information for both vi and emacs
 */
typedef struct c_undo_t {
        int      action;
        size_t   isize;
        size_t   dsize;
        char    *ptr;
        char    *buf;
} c_undo_t;

/*
 * Current action information for vi
 */
typedef struct c_vcmd_t {
        int      action;
        char    *pos;
        char    *ins;
} c_vcmd_t;

/*
 * Kill buffer for emacs
 */
typedef struct c_kill_t {
        char    *buf;
        char    *last;
        char    *mark;
} c_kill_t;

/*
 * Note that we use both data structures because the user can bind
 * commands from both editors!
 */
typedef struct el_chared_t {
        c_undo_t        c_undo;
        c_kill_t        c_kill;
        c_vcmd_t        c_vcmd;
        c_macro_t       c_macro;
} el_chared_t;


#define STReof          "^D\b\b"
#define STRQQ           "\"\""

#define isglob(a)       (strchr("*[]?", (a)) != NULL)
#define isword(a)       (isprint(a))

#define NO_OP           0x00
#define DELETE          0x01
#define INSERT          0x02
#define CHANGE          0x04

#define CHAR_FWD        0
#define CHAR_BACK       1

#define MODE_INSERT     0
#define MODE_REPLACE    1
#define MODE_REPLACE_1  2

#include "common.h"
#include "vi.h"
#include "emacs.h"
#include "search.h"
#include "fcns.h"


protected int    cv__isword(int);
protected void   cv_delfini(EditLine *);
protected char  *cv__endword(char *, char *, int);
protected int    ce__isword(int);
protected void   cv_undo(EditLine *, int, size_t, char *);
protected char  *cv_next_word(EditLine*, char *, char *, int, int (*)(int));
protected char  *cv_prev_word(EditLine*, char *, char *, int, int (*)(int));
protected char  *c__next_word(char *, char *, int, int (*)(int));
protected char  *c__prev_word(char *, char *, int, int (*)(int));
protected void   c_insert(EditLine *, int);
protected void   c_delbefore(EditLine *, int);
protected void   c_delafter(EditLine *, int);
protected int    c_gets(EditLine *, char *);
protected int    c_hpos(EditLine *);

protected int    ch_init(EditLine *);
protected void   ch_reset(EditLine *);
protected int    ch_enlargebufs __P((EditLine *, size_t));
protected void   ch_end(EditLine *);

#endif /* _h_el_chared */
